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--- ffmpeg:av_set_parameters [2007/12/10 10:55] – deva
+++ ffmpeg:av_set_parameters [2009/07/21 09:25] (current) – deva
@@ Line 3: / Line 3: @@
 Defined in ''avformat.h''\\
-FIXME Unknown.
+Set the output parameters of the output video context (see [[ffmpeg:output_example]]). Must be done even if no parameters in order to prepare the output format context. In this latter case ''ap'' may be NULL.
 <code c>
@@ Line 13: / Line 13: @@
 ===s===
 <code c>AVFormatContext *s</code>
-FIXME Unknown.
+A pointer to the output video context ([[ffmpeg:AVFormatContext]]) to be populated.
 ===ap===
 <code c>AVFormatParameters *ap</code>
-May be NULL.\\
+A pointer to the format parameters ([[ffmpeg:AVFormatParameters]]) (sometimes gathered from the command line). May be NULL.
-FIXME Unknown.
 ====Return value====
-FIXME Unknown.
+On invalid output format returns a negative number.
 ====See also====